The company had warned last week that operations at the open pit mine would be affected by the strike, as fuel and consumables failed to be delivered to site, while road blocks on highways prevented sending output to port.

Brazil on Wednesday contradicted a United States announcement that the two countries had reached a deal on a permanent exemption from steel and aluminum import tariffs, saying the Trump administration had unilaterally cut off talks.

The announcement is the last of a string of difficulties Anglo has faced with the iron ore mine, which was expected to produce 16 million tonnes this year, but that will now generate just 3 million tonnes.